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61238473 is a prime number
BaseRepresentation
bin1110100110011…
…0110011001001
311021020020101121
43221212303021
5111134112343
610024315241
71342342552
oct351466311
9137206347
1061238473
113162740a
1218612b21
13c8c18aa
1481c1329
155599aed
hex3a66cc9

61238473 has 2 divisors, whose sum is σ = 61238474. Its totient is φ = 61238472.

The previous prime is 61238467. The next prime is 61238477. The reversal of 61238473 is 37483216.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42159049 + 19079424 = 6493^2 + 4368^2 .

It is a cyclic number.

It is not a de Polignac number, because 61238473 - 221 = 59141321 is a prime.

It is not a weakly prime, because it can be changed into another prime (61238477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30619236 + 30619237.

It is an arithmetic number, because the mean of its divisors is an integer number (30619237).

Almost surely, 261238473 is an apocalyptic number.

It is an amenable number.

61238473 is a deficient number, since it is larger than the sum of its proper divisors (1).

61238473 is an equidigital number, since it uses as much as digits as its factorization.

61238473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 34.

The square root of 61238473 is about 7825.5014535811. The cubic root of 61238473 is about 394.1620284909.

The spelling of 61238473 in words is "sixty-one million, two hundred thirty-eight thousand, four hundred seventy-three".